Old Peru (also Peru, pronounced PEE-roo) is an unincorporated community in Madison County, Iowa, United States.

[2] Even though the community's post office has been closed for over a century, ZIP Code 50222 is still reserved for Peru.

[3] Old Peru was laid out as a town in 1855, but it declined when the railroad missed it by a mile, and in 1887 the town of East Peru was founded on that line.

[4] The original (seedling) delicious apple tree grew in Peru.

This article about the geography of Madison County, Iowa is a stub.